Add utility function to ensure that a CSS dimension has a unit

src/utils/cssDimensions.js

@@ -0,0 +1,31 @@
+/*
+Copyright 2026 Seekra
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+export const ensureUnit = function (d) {
+    if (!d) d = 0;
+
+    // ensure that it is a string
+    if (typeof d === 'number') d = d.toString();
+
+    if (d === '') d = '0';
+
+    // if it ends with a number
+    if (/\d$/.test(d)) {
+        d += 'px';
+    };
+
+    return d;
+};